]Ihe kachasị ngwa ngwa maka nhazi laser bụ metal. Aluminom alloy bụ nke abụọ na ígwè na ngwa ụlọ ọrụ. Ọtụtụ aluminom alloys nwere ezigbo ịgbado ọkụ. Site na mmepe ngwa ngwa nke aluminom alloys na ụlọ ọrụ ịgbado ọkụ, ngwa nke laser welding aluminum alloys nwere ọrụ siri ike, ntụkwasị obi dị elu, enweghị ọnọdụ oghere na arụmọrụ dị elu amalitewokwa ngwa ngwa.